The Open Civil Engineering Journal

ISSN: 1874-1495 ― Volume 13, 2019

Study of a New Plaster Composite Based on Dune Sand and Expanded Polystyrene as Aggregates

Hamza Laoubi1, Madani Bederina1, 3, *, Amina Djoudi2, Adeline Goullieux3, Rose Marie Dheilly3, Michele Queneudec3
1 Structures Rehabilitation and Materials Laboratory, Civil Engineering Department, University of Amar Telidji, Routes de Ghardaia, 03000, Laghouat, Algeria
2 Civil Engineering laboratory, University A. Telidji, Routes de Ghardaia, 03000, Laghouat, Algeria
3 Research Unit “EPROAD”, University Jules Vernes of Picardie, Rue Saint Leu 80039 Amiens, Cedex 1, Amiens, France



This study aims to highlight the physicomechanical properties of a new lightweight construction material which is composed of plaster as a binder and dune sand and Expanded Polystyrene Beads (EPS) as aggregates.


For this purpose, different mixtures were designed with different percentages and particle sizes of EPS aggregates in order to test the porosity, the density and the thermo-mechanical properties of the studied composite. Furthermore, Electron Microscopy (EM) visualisation and SEM analysis were used for the study of the structure and the interface “paste-aggregates”.

Results and Conclusion:

The obtained results showed that the progressive incorporation of an increasing percentage of PSE decreases the density of the plaster composite and consequently improves its thermal properties. As expected, the mechanical strength decreases with the increase of the EPS content, but relatively good mechanical strength can be obtained with low quantities of EPS. Concerning the material structure, it should be noted that the composite appears more or less homogeneous and the EPS beads adhere well to the plaster matrix.

Keywords: Plaster Concrete/mortar, Expanded Polystyrene, Dune Sand, Density, Thermal Properties, Mechanical Properties, Structure.

Article Information

Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 401
Last Page: 412
Publisher Id: TOCIEJ-12-401
DOI: 10.2174/1874149501812010401

Article History:

Received Date: 27/09/2018
Revision Received Date: 03/11/2018
Acceptance Date: 12/11/2018
Electronic publication date: 30/11/2018
Collection year: 2018

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© 2018 Laoubi et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Civil Engineering Department, University of Amar Telidji, Laghouat, Algeria; Tel: +213-773732230; Fax: + 213-663-180-114; E-mail:


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